<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<!--引入jquery-->
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script>
    <!--   ajax get请求 -->
    $.get("http://www.it.com/order/index", function (data, status) {
        alert("Data: " + data);
    });
</script>
</html>